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Rost, Franz

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Journal Article
Published: 01 August 1989
European Journal of Mineralogy (1989) 1 (4): 599–603.
Journal Article
Published: 01 August 1975
American Mineralogist (1975) 60 (7-8): 675–680.
...Franz Rost; Eberhard Beermann; Georg Amthauer Abstract The color variations between 41 separate pyrope garnet fractions from the Stockdale kimberlite are caused by differing chromium concentrations. Two main series may be distinguished. Series I shows a wide color range from pale orange to dark...
Journal Article
Published: 01 December 2013
European Journal of Mineralogy (2013) 25 (4): 705–710.
...Ulrike Rantzsch; Alexandra Franz; Gert Kloess Abstract Moldavites are natural glasses formed by distal ejection of meteorite-impact melts; they occur in several shapes ( e.g ., teardrops, lenticular, dumbbells, spheres) and all contain pores in different sizes. The aim of this study is to describe...
FIGURES
Journal Article
Published: 01 July 2005
American Mineralogist (2005) 90 (7): 1177–1185.
... 10°59′55′’). From the morphology of the area, it is reasonable to assume that the loose block was derived from a garnet-bearing peridotite body exposed on the north wall of the mountain (cf. Andreatta 1936 ; Rost und Brenneis 1978 ; Susini e Martin 1996 ). This garnet peridotite body has Variscan...
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Journal Article
Published: 01 January 2002
Reviews in Mineralogy and Geochemistry (2002) 50 (1): 551–589.
...Gerhard Franz; Giulio Morteani © The Mineralogical Society Of America 2002 A major interest in beryllium minerals, which are rock-forming constituents in certain metamorphic, hydrothermal and igneous environments, comes from their use as ore materials for Be, as single-crystal material...
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Journal Article
Published: 01 February 2011
The Canadian Mineralogist (2011) 49 (1): 245–261.
... by tectonic mixing or metasomatism (or both). The process of blackwall formation at Mt. Hochwart, previously described by Rost & Brenneis (1978) and Tumiati & Martin (2003) , was recently investigated in detail by Tumiati et al. (2007) and Marocchi et al. (2009 , 2010 ). The contact...
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Journal Article
Published: 01 February 2016
American Mineralogist (2016) 101 (2): 448–460.
... and additional minor substituents such as Fe and/or Ti ( White and White 1967 ; Rost and Simon 1972 ). Natural kyanite with Cr 2 O 3 contents >1 wt% have been known so far only from high- P environments. The highest Cr 2 O 3 content documented in the literature so far is 15.7 wt%, which corresponds to ~18...
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Journal Article
Journal: AAPG Bulletin
Published: 01 May 1958
AAPG Bulletin (1958) 42 (5): 1064–1082.
... northerly known bank which is dead is situated at 71° N. Lat., 21° 8′ E. Long., but some banks are believed to exist even farther north. Banks are found in the interior of the fiords as well as on the outer coast, and some occur on the outer shelf. Thus, a Lophelia bank is known near Røst, in the Lofoten...
FIGURES
Journal Article
Published: 01 August 2004
The Canadian Mineralogist (2004) 42 (4): 1205–1219.
... Ti) in its intergrain distribution. The samples from Soazza ( Bocchio et al . 2000 ) are slightly enriched in this element, consistent with the inverse correlation between Ti and the pyrope content, as suggested by Rost & Grigel (1964) . The AA garnet is also depleted in V (51.5–72 ppm...
FIGURES
Journal Article
Published: 19 August 2020
Geological Magazine (2020) 157 (10): 1622–1642.
.... Black shales enriched by organic carbon were also reported from the upper Oxfordian – Ryazanian Hofer Formation of Franz-Josef Land (Kosteva, 2005 ), but information concerning TOC remains unpublished. Leith et al. ( 1992 ) indicated that Upper Jurassic samples from this area have organic carbon...
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Journal Article
Published: 01 May 2022
Reviews in Mineralogy and Geochemistry (2022) 87 (1): 965–1014.
... in the stratosphere at altitudes above 20–40 km, in agreement with earlier observations ( Rost 1964 ). Figure 6. Optical microscope image (transmitted light) of an Australasian tektite slice. Several bubbles of different dimensions and flow lines are visible. Three of the four tektite strewn-fields (SF...
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Journal Article
Journal: GSA Bulletin
Published: 01 July 2013
GSA Bulletin (2013) 125 (7-8): 1027–1052.
... . McNamara A.K. Garnero E.J. Rost S. , 2010 , Tracking deep mantle reservoirs with ultra-low velocity zones : Earth and Planetary Science Letters , v. 299 , no. 1–2 , p. 1 – 9 , doi:10.1016/j.epsl.2010.07.042 . Meehl G.A. Stocker T.F. Collins W.D. Friedlingstein P...
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Book Chapter

Author(s)
G. J. H. McCall
Series: Geological Society, London, Special Publications
Published: 01 January 2006
DOI: 10.1144/GSL.SP.2006.256.01.23
EISBN: 9781862395046
... of obsidian; Darwin in 1844 also favoured a volcanic explanation, whereas Walcott ( 1898 ) and Franz Eduard Suess in (1900) first suggested that they were a form of meteorite. Edward John Dunn (1844–1937) (Dunn 1902 ) in Victoria thought that they had been thrown out of the throat of volcanoes. There were...
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Series: Geological Society, London, Special Publications
Published: 01 January 2017
DOI: 10.1144/SP447.9
EISBN: 978-1-78620-37-00
... & Jokat 2016 ). Abbreviations: AF, Ardencaple Fjord; BB, Boreas Basin; COB, continent–ocean boundary; EGR, East Greenland Ridge; HVLC, high-velocity lower crust; KFJF, Kejser Franz Joseph Fjord; LC, lower crust; Serp., Serpentinized; SI, Shannon Island; UC, upper crust; WJMFZ, West Jan Mayen Fracture Zone...
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